diff options
Diffstat (limited to 'ucs2-lib/src/ucs_lldpool.c')
| -rw-r--r-- | ucs2-lib/src/ucs_lldpool.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/ucs2-lib/src/ucs_lldpool.c b/ucs2-lib/src/ucs_lldpool.c new file mode 100644 index 0000000..b0b833d --- /dev/null +++ b/ucs2-lib/src/ucs_lldpool.c @@ -0,0 +1,99 @@ +/*------------------------------------------------------------------------------------------------*/ +/* UNICENS V2.1.0-3491 */ +/* Copyright (c) 2017 Microchip Technology Germany II GmbH & Co. KG. */ +/* */ +/* This program is free software: you can redistribute it and/or modify */ +/* it under the terms of the GNU General Public License as published by */ +/* the Free Software Foundation, either version 2 of the License, or */ +/* (at your option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, */ +/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* GNU General Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License */ +/* along with this program. If not, see <http://www.gnu.org/licenses/>. */ +/* */ +/* You may also obtain this software under a propriety license from Microchip. */ +/* Please contact Microchip for further information. */ +/*------------------------------------------------------------------------------------------------*/ + +/*! + * \file + * \brief Implementation of LLD Message Pool + * + * \cond UCS_INTERNAL_DOC + * \addtogroup G_PMF + * @{ + */ + +/*------------------------------------------------------------------------------------------------*/ +/* Includes */ +/*------------------------------------------------------------------------------------------------*/ +#include "ucs_lldpool.h" +#include "ucs_misc.h" +#include "ucs_trace.h" + +/*------------------------------------------------------------------------------------------------*/ +/* Implementation */ +/*------------------------------------------------------------------------------------------------*/ +/*! \brief Returns an unused LLD Tx message object back to the pool + * \param self The instance + * \param owner_ptr Assigns messages to the respective FIFO + * \param ucs_user_ptr User reference that needs to be passed in every callback function + */ +void Lldp_Ctor(CLldPool *self, void *owner_ptr, void* ucs_user_ptr) +{ + uint8_t cnt; + MISC_MEM_SET(self, 0, sizeof(*self)); + + Dl_Ctor(&self->list, ucs_user_ptr); + + for (cnt = 0U; cnt < LLDP_NUM_HANDLES; cnt++) /* setup LLD Tx handles */ + { + TR_ASSERT(ucs_user_ptr, "[FIFO]", (self->messages[cnt].msg_ptr == NULL) ); + Dln_Ctor(&self->messages[cnt].node, &self->messages[cnt]); + self->messages[cnt].owner_ptr = owner_ptr; + Dl_InsertTail(&self->list, &self->messages[cnt].node); + } +} + +/*! \brief Returns an unused LLD Tx message object back to the pool + * \param self The instance + * \param msg_ptr The unused LLD Tx message object + */ +void Lldp_ReturnTxToPool(CLldPool *self, Lld_IntTxMsg_t *msg_ptr) +{ + Dl_InsertTail(&self->list, &msg_ptr->node); +} + +/*! \brief Allocates an unused LLD Tx message object from the pool + * \param self The instance + * \return An internal LLD Tx message object or \c NULL if no message object is + * available. + */ +Lld_IntTxMsg_t* Lldp_GetTxFromPool(CLldPool *self) +{ + CDlNode *node_ptr = NULL; + Lld_IntTxMsg_t *handle_ptr = NULL; + + node_ptr = Dl_PopHead(&self->list); + + if (node_ptr != NULL) + { + handle_ptr = (Lld_IntTxMsg_t*)Dln_GetData(node_ptr); + } + + return handle_ptr; +} + +/*! + * @} + * \endcond + */ + +/*------------------------------------------------------------------------------------------------*/ +/* End of file */ +/*------------------------------------------------------------------------------------------------*/ + |